likely will have little impact on the deal, because he is not planning to meet with karzai. the pentagon says he is there to thank troops for their service. >>> officials at metro north are working to make changes to the railroad system, that following sunday's deadly train derailment in the bronx. federal transportation officials want metro north to identify areas of track where there are major speed changes. the railway must also overhaul its signal system so it will automatically slow down a train if the engineer does not. nud today's show lost one of its own, 58-year-old jim lovely was laid to rest on friday. he worked for nbc as a sund lighting expert for more than 20 years. it was the second funeral in two days for victims of the derailment. our deepest condolences to his family. >>> authorities reveal a missing new hampshire teen sent her a letter postmarked weeks after she disappeared. the letter from 15-year-old abigail hernandez last seen on october 9th was postmarked on october 23rd. the fbi says the letter is giving investigators hope although they fear the teen